The best replacement for barometric pressure is altitude.

The best alternatives to barometric pressure are rated as following:
★★★★★  altitude
★★★  atmospheric pressure
★★  elevation
★  vapor pressure
★  absolute pressure
★  station pressure
★  ambient pressure
★  sea level
  sea level pressure
  air density
  atmospheric
  fishing
  millibars
  cloud cover

Your alternative for barometric pressure is not listed? Suggest!
Speaking about barometric pressure, one probably shouldn't forget about altitude.

Other search terms related to barometric pressure and their ratings are:
★★★★★ altitude
★★ hurricanes
★★ storms
★ weather
weather forecasts
You have in mind a companion for barometric pressure and it is not yet here? Propose!



Google Trends

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barometric pressure
altitude
atmospheric pressure